Demographics |
|
|
|
Age, median (interquartile range), y
|
10 (8–13)
|
11 (9–13)
|
10 (8–12)
|
Male sex, N (%)
|
61,396 (53.3)
|
26,724 (53.6)
|
34,763 (53.1)
|
Comorbidity, N (%) |
|
|
|
Asthma/chronic lung disease
|
24,638 (21.4)
|
10,797 (21.7)
|
13,879 (21.1)
|
Metabolic/endocrine disorder
|
2,308 (2.0)
|
954 (1.9)
|
1,357 (2.1)
|
Neurological condition
|
2,553 (2.2)
|
1,055 (2.1)
|
1,502 (2.3)
|
Heart disease
|
1,990 (1.7)
|
816 (1.6)
|
1,178 (1.8)
|
Blood disease
|
2,477 (2.1)
|
1,022 (2.0)
|
1,458 (2.2)
|
Any of the above
|
30,503 (26.4)
|
13,336 (26.7)
|
17,211 (26.3)
|
Outcome, N (%)‡
|
|
|
|
Composite
|
7,945 (6.9)
|
3,451 (6.9)
|
4,474 (6.8)
|
Hospitalization
|
17 (0.01)
|
6 (0.01)
|
11 (0.02)
|
Laboratory test
|
6,671 (5.8)
|
2,876 (5.8)
|
3,810 (5.8)
|
Imaging
|
1,741 (1.5)
|
787 (1.4)
|
958 (1.5)
|
Antibiotics use
|
3,490 (3.0)
|
1,488 (3.1)
|
2,008 (3.1)
|
Return visit§
|
54,724 (47.2) |
23,688 (47.3) |
31,036
(47.4) |